Highly reliable - Thermometer-hygrometer with reliable measurement values for monitoring humidity and air temperature for a comfortable and healthy indoor climate - Particularly suitable for use in living rooms and offices (not for sauna).Ready for use - The device is factory calibrated and ready for use. Calibration screws are available for fine adjustment. -Very high quality: the entire case and the removable stand are made of high quality stainless steel and the dial made of quality aluminum is made with great care: rust-proof, very robust, durable, decorative and provides a touch elegant.Comfortable display - Humidity and temperature are displayed analogically and are easy to read on the large 12 cm display - Comfort zones are color coded and indicate when it is necessary to carry out ventilation or increase air humidity.Durable: Unlike digital devices, this high-quality hygrometer works without batteries or liquid substances, which protects our environment and saves you additional costs.